whenever or和 whenevet and的区别

如题所述

  whenever or
  (非正式)或者任何时候
  whenever and
  (正式)或者任何时候
  如果是状语从句,则此四者都引导让步状语从句,基本用法如下:
  1. whenever = no matter when,其中when在从句中充当时间状语.
  如:Please call me first whenever you leave. 无论你什么时候离开,请先打个电话给我.
  when在从句中充当时间状语.
  2. whichever = no matter which,其中which在从句中既可充当主语/宾语等名词性成分,也可以充当定语.
  如:You should work hard whichever class you are in. 无论你在哪一个班级,你都应该努力学习.
  which做定语,修饰class.
  3. whether引导让步状语从句时,和or连用,翻译为“无论/不管...还是...”.
  I‘m going to Beijing whether it's sunny or rainy tomorrow. 不管明天是天晴还是下雨,我都会去北京.
  4. whatever = no matter what,其中what在从句中充当主语/宾语等名词性成分,也可充当定语.
  如:Please ask me for permission whatever you want to do. 无论你做什么事情,请先征求我的允许.
  what在从句中充当do的宾语. 英语牛人团
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